When 2.0 g copper is heated with an excess of sulfur, copper (1) sulfide is the product. What is the theoretical yield of copper (1) sulfide? Hint:
Balance the equation first

One of the reactions in a blast furnace used to reduce iron is shown above. how many grams of fe2o3 are required to produce 15.5 g of fe if the reaction occurs in the presence of excess co? a.11.1 g b.22.1 g c.30.0 g d.44.2 g

Which of these will change if the air in aclosed bottle is heated? abcdthe mass of the airthe composition of the airthe air pressure in the bottlethe number of air molecules in the bottle

What is the mass of sodium in 3 moles of sodium chloride